S. Mahunka szerk.: Folia Entomologica Hungarica 58. (Budapest, 1997)

2.2. The rocky variation of the same forest covering Maya pyramids, with looser canopy and many palms. 2.3. Sub-mountainous tropical rain forest without émergents, having rich epiphytic film-fern and epiphyllous moss vegetation, the herb layer formed by Selaginella and ferns. (More details regarding character and specific composition in the description of collecting localities.) Botanical characterization of the Mexican collecting localities and data 1/96 Estado Guerrero, Chilpancingo, Presa El Molino, SE of the city, altitude between 1550-1700 m a.s.l., 17. 06. 1996. Remnant of forest by the brook, deciduous oak forest with evergreen elements of south-western exposition. Canopy layer, 12-18 m high: Quercus magnoliifolia Née (dominant), Qu. acutifolia Née, Qu. peduncularis Née, Qu. conspersa Benth., Ostrya virginiaira, Lysiloma latisiliqua (L.) Benth., Bursera longipes (Rose) Standley, B. submoniliformis Engl., B. bolivar ii Rzed. Scrub layer: Acacia macracantha H. et B., Sapium macrocarpum Muell. Arg., Crataegus pubescens, Tephrosia lanata Mart, et Gab, Indigofera suffruticosa L., Byrsonima bucidaefolia Standi., Croton ciliato-glandulosus L., Ficus citrifolia P. Mill., Solanum torvum Sw. Grass layer: Bouvardia multiflora (Cav.) Schult., Turnefortia mutabilis Vent., Cuphea aequipetala Cav., Adenaria floribunda Kunth, Anagallis pumila Sw., Ludwigia suffruticosa Maza, Physalis angulata L., Spiranthes cinnabarina (Lex) Hemsl., Helosis alpina ssp. mexicana, Fimbristylis dichotoma (L.) Vahl, Adiantum formosum Willd., Rhynchelytrum repens (Willd.) C. E. Hubb., Capraria biflora L., Bacopa monnieri (L.) Wettst., Panicum grande Hitchc. et Chase, Polygala salviniana A. W. Benn, Rhynchospora stellata (Lam.) Griseb., Rh. tenerrima Nees ex Spreng. Epiphytes: Tillandsia usneoides L., T. circinatoides Matuda, Encyclia adenocarpon (Lex) Schltr. Moss layer: Selaginella marginata (H. et B.) Spring, S. pallescens (Presl) Spring, saxatile mosses. Collectings data:* 26. Selaginella cushion at foot of Quercus magnoliifolia trunk in brook valley. 27. Moss sample ditto. 28. Quercus magnoliifolia litter ditto. 29. Sunny rock on the opposite mountain side under Bursera trees. 30. Wet moss near brook. 31. Quercus magnoliifolia-Qu. conspersa-Qu. peduncularis litter in valley. 32. Soil ditto. 33. In Quercus acutifolia-Qu. magnoliifolia-Qu. conspersa-Qu. peduncularis forest, at top of mountain, moss-fern soil sample from a rock crevice in a damp forest. Other collectings: 34-35. Sweeping the vegetation along a footpath on the bank of a brook. 36. Aspirating material after treading the alluvial deposit on the bank of a brook. 37. Beating higher bushes. * The numbering is continued from the previous publication (Borhidi et al. 1996).